According to a press release dated 18 July 2011, the Autoriti Monetari Brunei Darussalam has issued new 1-, 5-, and 10-dollar polymer notes which will circulate in parallel with existing notes. The issuance of the new polymer notes is in conjunction with the 65th Birthday of His Majesty the Sultan and Yang Di-Pertuan Negara Brunei Darussalam but the notes do not bear any commemorative text. The notes have various new security features and new designs.